VDB-332576 · CVE-2025-6171 · Patch 549730

GitLab Community Edition/Enterprise Edition up to 18.3.5/18.4.3/18.5.1 Packages API Endpoint authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.3.5/18.4.3/18.5.1. It has been declared as problematic. This affects an unknown part of the component Packages API Endpoint. Such manipulation leads to authorization. This vulnerability is documented as CVE-2025-6171. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.3.5/18.4.3/18.5.1. It has been rated as problematic. Affected by this issue is some unknown processing of the component Packages API Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. CVE summarizes:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.2 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker with reporter access to view branch names and pipeline details by accessing the packages API endpoint even when repository access was disabled.

The weakness was released by iamgk808 as 549730. The advisory is shared for download at about.gitlab.com. This vulnerability is handled as CVE-2025-6171 since 06/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 298858 (GitLab 13.2 < 18.3.6 / 18.4 < 18.4.4 / 18.5 < 18.5.2 (CVE-2025-6171)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.3.6, 18.4.4 or 18.5.2 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (298858), EUVD (EUVD-2025-197692) and CERT Bund (WID-SEC-2025-2587). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Open Source GitLab

Productinfo

Type

Bug Tracking Software

Vendor

GitLab

Name

Version

License

open-source

Website

Vendor: https://gitlab.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector (GitLab): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 298858
Nessus Name: GitLab 13.2 < 18.3.6 / 18.4 < 18.4.4 / 18.5 < 18.5.2 (CVE-2025-6171)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.3.6/18.4.4/18.5.2

Timelineinfo

06/16/2025 CVE reserved
11/15/2025 +152 days Advisory disclosed
11/15/2025 +0 days VulDB entry created
02/13/2026 +90 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 549730
Researcher: iamgk808
Status: Confirmed

CVE: CVE-2025-6171 (🔒)
GCVE (CVE): GCVE-0-2025-6171
GCVE (VulDB): GCVE-100-332576
EUVD: 🔒
CERT Bund: WID-SEC-2025-2587 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 11/15/2025 14:43
Updated: 02/13/2026 13:20
Changes: 11/15/2025 14:43 (67), 11/15/2025 19:02 (1), 11/16/2025 19:01 (7), 11/21/2025 07:39 (11), 02/13/2026 13:20 (2)
Complete: 🔍
Cache ID: 216::103

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